19195605

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 41408640

約数和(自身を除く): 22213035

約数列:

[1, 3, 5, 9, 11, 13, 15, 19, 33, 39, 45, 55, 57, 65, 95, 99, 117, 143, 157, 165, 171, 195, 209, 247, 285, 429, 471, 495, 585, 627, 715, 741, 785, 855, 1045, 1235, 1287, 1413, 1727, 1881, 2041, 2145, 2223, 2355, 2717, 2983, 3135, 3705, 5181, 6123, 6435, 7065, 8151, 8635, 8949, 9405, 10205, 11115, 13585, 14915, 15543, 18369, 22451, 24453, 25905, 26847, 30615, 32813, 38779, 40755, 44745, 67353, 77715, 91845, 98439, 112255, 116337, 122265, 134235, 164065, 193895, 202059, 295317, 336765, 349011, 426569, 492195, 581685, 1010295, 1279707, 1476585, 1745055, 2132845, 3839121, 6398535, 19195605]

約数ペア:

[(1, 19195605), (3, 6398535), (5, 3839121), (9, 2132845), (11, 1745055), (13, 1476585), (15, 1279707), (19, 1010295), (33, 581685), (39, 492195), (45, 426569), (55, 349011), (57, 336765), (65, 295317), (95, 202059), (99, 193895), (117, 164065), (143, 134235), (157, 122265), (165, 116337), (171, 112255), (195, 98439), (209, 91845), (247, 77715), (285, 67353), (429, 44745), (471, 40755), (495, 38779), (585, 32813), (627, 30615), (715, 26847), (741, 25905), (785, 24453), (855, 22451), (1045, 18369), (1235, 15543), (1287, 14915), (1413, 13585), (1727, 11115), (1881, 10205), (2041, 9405), (2145, 8949), (2223, 8635), (2355, 8151), (2717, 7065), (2983, 6435), (3135, 6123), (3705, 5181)]